100mm Sapphire Based LED Wafer

Why Used Silicon To Make Gallium Nitride LEDs?

Silicon Carbide and Sapphire (Al2O3) substrates have and are currently used as a base material to make Light Emitting Diodes (LEDs). Both SiC and Al2O3 wafers are far more expensive than silicon wafers. This has slowed the adoption of LED lighting in residential and commercial lighting. UniversityWafer, Inc. now can grow Gallium Nitride (GaN) on lower-cost silicon wafers. Not only does the lower priced silicon save manufacturers on material costs, they can utilize the same semiconductor equipment used in current silicon wafer fabrication. This can save the fab a whopping 75% costs over Silicon Carbide and Sapphire.